<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <div id="root"></div>

    <script src="./js/react.development.js"></script>
    <script src="./js/react-dom.development.js"></script>
    <script src="./js/babel.min.js"></script>

    <script type="text/babel">
      const MyComponents = {
        A: function () {
          return <div>我是 A</div>;
        },

        B: function () {
          return <div>我是 B</div>;
        },
      };

      const root = ReactDOM.createRoot(document.querySelector("#root"));
      // render 可以渲染虚拟DOM、纯字符串、组件
      root.render(<MyComponents.A />);
    </script>
  </body>
</html>
